{"id":75468,"date":"2020-09-23T17:41:54","date_gmt":"2020-09-23T17:41:54","guid":{"rendered":"https:\/\/pereirabertozzi.com.br\/site\/?p=75468"},"modified":"2020-09-23T17:48:32","modified_gmt":"2020-09-23T17:48:32","slug":"multiphase-heat-switch","status":"publish","type":"post","link":"https:\/\/pereirabertozzi.com.br\/site\/en\/multiphase-heat-switch\/","title":{"rendered":"Brazil registers patent for Multiphase Heat Switch"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">The <\/span><b>Multiphase Heat Switch<\/b><span style=\"font-weight: 400;\"> is a new type of thermal control device applied to satellites to keep the temperature of the electronic equipment within operational limits.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The registration of the new patent, requested by the <\/span><a href=\"https:\/\/en.wikipedia.org\/wiki\/National_Institute_for_Space_Research\"><span style=\"font-weight: 400;\">National Institute for Space Research, Brazil<\/span><\/a><span style=\"font-weight: 400;\">, was granted in 2020, and the prototype is authored by researchers Issamu Muraoka, Valeri Vlassov and Valery Kiseev. The search for priorities in the process of obtaining a patent was done at an international level.<\/span><\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-75472\" src=\"https:\/\/pereirabertozzi.com.br\/site\/wp-content\/uploads\/2020\/09\/Multiphase-Heat-Switch_pereira_bertozzi-04.jpg\" alt=\"Multiphase Heat Switch_pereira_bertozzi 04\" width=\"413\" height=\"334\" srcset=\"https:\/\/pereirabertozzi.com.br\/site\/wp-content\/uploads\/2020\/09\/Multiphase-Heat-Switch_pereira_bertozzi-04.jpg 413w, https:\/\/pereirabertozzi.com.br\/site\/wp-content\/uploads\/2020\/09\/Multiphase-Heat-Switch_pereira_bertozzi-04-300x243.jpg 300w\" sizes=\"(max-width: 413px) 100vw, 413px\" \/><\/p>\n<p><b>How it works<\/b><\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-75469\" src=\"https:\/\/pereirabertozzi.com.br\/site\/wp-content\/uploads\/2020\/09\/Multiphase-Heat-Switch_pereira_bertozzi-01.jpg\" alt=\"Multiphase Heat Switch_pereira_bertozzi 01\" width=\"645\" height=\"253\" srcset=\"https:\/\/pereirabertozzi.com.br\/site\/wp-content\/uploads\/2020\/09\/Multiphase-Heat-Switch_pereira_bertozzi-01.jpg 645w, https:\/\/pereirabertozzi.com.br\/site\/wp-content\/uploads\/2020\/09\/Multiphase-Heat-Switch_pereira_bertozzi-01-300x118.jpg 300w\" sizes=\"(max-width: 645px) 100vw, 645px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">The solution is usually associated with a radiator, which is a cold plate positioned on the outer face of the satellite. The ideal condition is that the equipment is coupled to the radiator when in operation (high heat generation) and decoupled when in standby (without heat generation). In addition, a thermal capacitor would help to reduce temperature fluctuations.<\/span><\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-75470\" src=\"https:\/\/pereirabertozzi.com.br\/site\/wp-content\/uploads\/2020\/09\/Multiphase-Heat-Switch_pereira_bertozzi-02.jpg\" alt=\"Multiphase Heat Switch_pereira_bertozzi 02\" width=\"603\" height=\"325\" srcset=\"https:\/\/pereirabertozzi.com.br\/site\/wp-content\/uploads\/2020\/09\/Multiphase-Heat-Switch_pereira_bertozzi-02.jpg 603w, https:\/\/pereirabertozzi.com.br\/site\/wp-content\/uploads\/2020\/09\/Multiphase-Heat-Switch_pereira_bertozzi-02-300x162.jpg 300w\" sizes=\"(max-width: 603px) 100vw, 603px\" \/><\/p>\n<p><b>Brazilian technology<\/b><\/p>\n<p><span style=\"font-weight: 400;\">A source of pride for the research of space devices in the country, the prototype of the Multiphase Heat Switch was totally manufactured with Brazilian technology. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">According to the National Institute for Space Research, Brazil, <\/span><a href=\"https:\/\/www.researchgate.net\/publication\/261839257_Experimental_Investigation_of_Tri-phase_Heat_Switch\"><span style=\"font-weight: 400;\">the experimental studies were presented for the first time in 2009<\/span><\/a><span style=\"font-weight: 400;\"> at a conference held in Moscow, and since then the researchers have presented evolutions of the prototype.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The researchers performed functional and performance tests.\u00a0 All tests confirmed the expected results of the space device in three modes of operation: flat heat pipe, heat switch and thermal capacitor.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>The Multiphase Heat Switch is a new type of thermal control device applied to satellites to keep the temperature of the electronic equipment within operational limits. The registration of the new patent, requested by the National Institute for Space Research, Brazil, was granted in 2020, and the prototype is authored by researchers Issamu Muraoka, Valeri [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":75473,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[11,1],"tags":[240,236,234,235,56,214,239,96,149,237,238],"_links":{"self":[{"href":"https:\/\/pereirabertozzi.com.br\/site\/en\/wp-json\/wp\/v2\/posts\/75468"}],"collection":[{"href":"https:\/\/pereirabertozzi.com.br\/site\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pereirabertozzi.com.br\/site\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pereirabertozzi.com.br\/site\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pereirabertozzi.com.br\/site\/en\/wp-json\/wp\/v2\/comments?post=75468"}],"version-history":[{"count":1,"href":"https:\/\/pereirabertozzi.com.br\/site\/en\/wp-json\/wp\/v2\/posts\/75468\/revisions"}],"predecessor-version":[{"id":75474,"href":"https:\/\/pereirabertozzi.com.br\/site\/en\/wp-json\/wp\/v2\/posts\/75468\/revisions\/75474"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pereirabertozzi.com.br\/site\/en\/wp-json\/wp\/v2\/media\/75473"}],"wp:attachment":[{"href":"https:\/\/pereirabertozzi.com.br\/site\/en\/wp-json\/wp\/v2\/media?parent=75468"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pereirabertozzi.com.br\/site\/en\/wp-json\/wp\/v2\/categories?post=75468"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pereirabertozzi.com.br\/site\/en\/wp-json\/wp\/v2\/tags?post=75468"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}